Consider the following schedule S of transactions T1, T2, T3, T4:T1T2T3T4 Reads(X) Writes(X)Commit Writes(X) Commit Writes(Y)Reads(Z)Commit Reads(X)Reads(Y)Commit Which one of the following statements is CORRECT?

S is neither conflict-serializable not is it recoverable

S is conflict-serializable but not recoverable

S is not conflict-serializable but is recoverable

S is both conflict-serializable and recoverable

Consider the following schedule S of transactions T1, T2, T3, T4:T1T2T

1.	Consider the following schedule S of transactions T1, T2, T3, T4:T1T2T3T4 Reads(X) Writes(X)Commit Writes(X) Commit Writes(Y)Reads(Z)Commit Reads(X)Reads(Y)Commit Which one of the following statements is CORRECT?
A.	S is conflict-serializable but not recoverable
B.	S is not conflict-serializable but is recoverable
C.	S is both conflict-serializable and recoverable
D.	S is neither conflict-serializable not is it recoverable
Answer» D. S is neither conflict-serializable not is it recoverable

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Consider the following schedule S of transactions T1, T2, T3, T4:T1T2T3T4 Reads(X) Writes(X)Commit Writes(X) Commit Writes(Y)Reads(Z)Commit Reads(X)Reads(Y)Commit Which one of the following statements is CORRECT?

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